41 Nb 铌 Niobium42 Mo 钼 Molybdenum43 Ru 钌 Ruthenium45 Rh 铑 Rhodium46 Pd 钯 Palladium47 Ag 银 Silver48 Cd 镉 Cadmium49 In 铟 Indium50 Sn 锡 Tin
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